Finding the Fourth Proportional to 113,119.74, 156,098.34 and 62,122.55
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Solution
The fourth proportional to 113,119.74, 156,098.34 and 62,122.55 is: 85,725.32
Step by Step Solution
- Step 1: Write the proportion equation
113,119.74 : 156,098.34 = 62,122.55 : x - Step 2: Convert to fraction form
113,119.74/156,098.34 = 62,122.55/x - Step 3: Cross multiply
113,119.74x = 156,098.34 × 62,122.55 - Step 4: Simplify right side
113,119.74x = 9,697,226,151.08 - Step 5: Solve for x
x = 9,697,226,151.08/113,119.74 - Step 6: Final answer
x = 85,725.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.